	double mainFunc(double  a, double  b)
	{
		double a1 = 2;
		double* a2 = &a1;
		a1 = 0.5;
		double  c = *a2 * (a + b) * ((1 + b) * ((0.9 + a) + a * *a2 + 2) + 0.6);
		double ans = c + 1.5 * (a1 + *a2) + b;
		return  ans;
	}
//[(1.1,2.2),28.714]